MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URIs and is identified as a link farm hosted on disposable domains, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create PDF versions of web pages, further supporting the link farm hypothesis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://midufefew.ru/strik?utm_term=why+do+we+critically+appraise+research PDF link annotation
- http://myyshooop224.site/32435641739mhd7d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4462339/normal_5fe5eb8e15967.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389108/normal_606cfba4ebdc6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390330/normal_606e47f2d2da6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421641/normal_60467ff33d2e9.pdfIn PDF document text
- http://muxoman.mygamesonline.org/ekurhuleni_bursary_application_form_2020.pdfIn PDF document text
- http://hookup682.site/burger_king_lunch_hours_canadaj89c0.pdfIn PDF document text
- http://elerctum.org/interview_questions_and_answers_for_medical_laboratory_technologistgg30p.pdfIn PDF document text
- http://stalekost.site/how_to_bypass_survey_unlocksceoas.pdfIn PDF document text
- http://xejitifuwoligaf.mypressonline.com/570_academic_word_list_for_ielts.pdfIn PDF document text
- http://vashastrahovka24.ru/mefudugezemigumawoz5uqb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4463533/normal_5ff9bbfe11221.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/kozibowisenatu/lions_foundation_of_canada_guide_dogs.pdfIn PDF document text
- https://s3.amazonaws.com/gorajikunobixi/fodogabijitakoputuserixa.pdfIn PDF document text
- https://s3.amazonaws.com/niwotipugonuvoz/pathfinder_carrion_crown_haunting_of_harrowstone.pdfIn PDF document text
- https://3211d54f-29bc-45c2-8691-939fa64f7450.filesusr.com/ugd/2e34c2_f41dedce96c0400997fbbc42623963f7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8c4ed2b6-69b8-49fd-b11e-1367e24ba1e7/install_panini_vision_x.pdfIn PDF document text
- https://4123e755-5e7e-4fb8-b167-49ba90d37259.filesusr.com/ugd/fd3290_f4364d2a09ae4b5b8b42fc2f76e49a21.pdf?index=trueIn PDF document text
- https://3f3b26af-a357-4ab7-b723-baa2d0f6bb2b.filesusr.com/ugd/5d6e2e_51c964b977234586932bd4704b8c4cb1.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5120b4ac-b0a0-46a6-ad80-8759f274c018/hp_10bii_financial_calculator_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e651a43e-204d-47ee-b055-c7562ed7cb97/ritoxizewafujowozomab.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c9b2aadb-4247-41b5-98cd-a71b449b00c1/how_to_be_a_successful_public_relations_officer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed0a595f-7213-4429-af8e-ccc6aacb24b4/lugop.pdfIn PDF document text
- http://sasukagisodubex.onlinewebshop.net/log_and_antilog_table_file_free_download.pdfIn PDF document text
- https://b1b1ed1d-a631-407f-b8a0-2f609481a9c2.filesusr.com/ugd/3e5895_4fcb3f01ca144cdbb6c31efe5e7b93db.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7ED | 5368 bytes |
SHA-256: 1d70b257cc229f94e179880aec6b5a2c56fd7694c4fd7137a70cf3d8fc75b4a0 |
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font_01_sfnt_off00010a46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A46 | 11320 bytes |
SHA-256: bb2dcbd01a9c5f05f558b5464eec426e14a7947082184ceb107e6fea5f2d096f |
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